EP2321161A1 - Device for cleaning vehicle surfaces - Google Patents
Device for cleaning vehicle surfacesInfo
- Publication number
- EP2321161A1 EP2321161A1 EP08801941A EP08801941A EP2321161A1 EP 2321161 A1 EP2321161 A1 EP 2321161A1 EP 08801941 A EP08801941 A EP 08801941A EP 08801941 A EP08801941 A EP 08801941A EP 2321161 A1 EP2321161 A1 EP 2321161A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- cleaning
- fluid
- valve
- liquid supply
- nozzle carrier
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000004140 cleaning Methods 0.000 title claims abstract description 91
- 239000012530 fluid Substances 0.000 claims abstract description 52
- 239000007788 liquid Substances 0.000 claims abstract description 37
- 239000007921 spray Substances 0.000 claims abstract description 21
- 238000007789 sealing Methods 0.000 claims description 31
- 230000002093 peripheral effect Effects 0.000 claims description 9
- 239000000463 material Substances 0.000 claims description 6
- 210000005252 bulbus oculi Anatomy 0.000 claims description 4
- 238000006073 displacement reaction Methods 0.000 description 3
- 239000012858 resilient material Substances 0.000 description 3
- 238000009423 ventilation Methods 0.000 description 3
- 229920002943 EPDM rubber Polymers 0.000 description 2
- 229920001971 elastomer Polymers 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000007599 discharging Methods 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K17/00—Safety valves; Equalising valves, e.g. pressure relief valves
- F16K17/02—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side
- F16K17/04—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side spring-loaded
- F16K17/0493—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side spring-loaded with a spring other than a helicoidal spring
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60S—SERVICING, CLEANING, REPAIRING, SUPPORTING, LIFTING, OR MANOEUVRING OF VEHICLES, NOT OTHERWISE PROVIDED FOR
- B60S1/00—Cleaning of vehicles
- B60S1/02—Cleaning windscreens, windows or optical devices
- B60S1/46—Cleaning windscreens, windows or optical devices using liquid; Windscreen washers
- B60S1/48—Liquid supply therefor
- B60S1/52—Arrangement of nozzles; Liquid spreading means
- B60S1/522—Arrangement of nozzles; Liquid spreading means moving liquid spreading means, e.g. arranged in wiper arms
- B60S1/528—Arrangement of nozzles; Liquid spreading means moving liquid spreading means, e.g. arranged in wiper arms the spreading means being moved between a rest position and a working position
Definitions
- the present invention refers to a device for cleaning vehicle surfaces such as headlamps.
- Windshield and headlamp cleaning devices are generally known in the art.
- the cleaning devices are designed such that the surface to be cleaned is only cleaned by a jet of cleaning fluid which is discharged under pressure from one or more spray nozzles.
- the jet of cleaning fluid discharged from the spray nozzles is sufficiently energized to ensure a proper cleaning action.
- No additional mechanically operating cleaning means as wipers or the like are required to achieve a satisfying cleaning result.
- Cleaning devices which are arranged in concealed fashion normally use the pressure of the cleaning fluid for extension movement of the nozzles which sometimes are fixed on a telescoping cylinder arrangement which is held in a retracted position by means of a return spring.
- Said cylinder arrangement can be hydraulically activated by the way of the pressure of the cleaning fluid, in which case firstly the pressure of the return spring acting on the cylinder has to be overcome upon extension of the spray nozzle by way of the pressure of the cleaning fluid.
- nozzle arrangements which are not hidden from external view sometimes require return valves, for instance when several nozzles are to be arranged in series and/or in parallel. It is therefore an object of the present invention to provide a device for cleaning vehicle surfaces, particularly a headlamp cleaning device which is simple to manufacture and cost-effective.
- a device for cleaning vehicle surfaces such as headlamps, comprising at least one nozzle carrier for mounting on a cleaning liquid supply tube, the nozzle carrier defining at least one cleaning liquid supply conduit for a pressurized cleaning fluid and being provided with at least one cleaning fluid distribution chamber, said chamber communicating with said cleaning liquid supply conduit and with at least one spray nozzle mounted on said nozzle carrier, wherein said distribution chamber is provided with at least one inlet port which in a non-pressurized state is closed by a fluid valve and wherein said fluid valve is designed as a springless valve.
- valve in the sense of the present application means that the valve is designed such that an additional spring member, for instance a return spring as a coil spring, is not required anymore. Opening of the valve according to the invention is only achieved by positive fluid pressure being applied to its inlet side, and closure, which means return to the original position, is only achieved from resultant tensile forces stored within the material of a moving part of the fluid valve.
- an additional spring member for instance a return spring as a coil spring
- valve comprises a resilient diaphragm type sealing member.
- sealing member may define a valve body which in a non-pressurized condition sealing engages a valve seat and may be disengaged from the valve seat by the pressure of the cleaning fluid.
- a springless valve according to the invention can for instance be used to achieve a pressure build up within a cleaning device to a certain degree in order to utilize the pressure of the cleaning fluid for an extension movement of the nozzles.
- the nozzle carrier according to the invention may be attached to a telescopic cylinder arrangement as well as to a pivot arm where the fluid pressure is used for shifting or rotating the pivot arm.
- the diaphragm type sealing member of the fluid valve is preferably made by a resilient material (for instance EPDM or rubber) designed such that it flexes away from its sealing position upon pressure built up. Upon pressure release the sealing member may flex back into its initial sealing position where it sealingly engages a valve seat which may for instance only be the peripheral rim of a fluid port.
- a resilient material for instance EPDM or rubber
- the sealing member may comprise a cup-shaped diaphragm provided with a peripheral mounting flange, the diaphragm defining a substantially flat sealing surface yieldingly the engaging the sealing seat and being displaceable relative to the mounting flange upon the action of the fluid pressure.
- sealing member yieldingly has a single piece design, the peripheral mounting flange and the cup-shaped diaphragm being connected via a circumferential relatively thin-walled web of resilient material.
- said distribution chamber comprises at least two cleaning fluid discharge openings each communicating with at least one spray nozzle.
- the distribution chamber may also comprise one inlet port and one discharge port. In this event the distribution chamber only serves as a housing for a diaphragm type sealing member.
- At least one spray nozzle preferably all spray nozzles have an eye-ball design.
- "Eye-ball” design is a well-recognized term and describes a ball type nozzle body with a fluid discharge conduit extending therethrough, the discharge opening of the nozzle being designed as a circumferential cutout of the ball.
- the spray nozzles are snap-fitted into the nozzle carrier.
- One preferable embodiment of the device according to the invention is characterized by a retractable hollow cleaning liquid supply tube slidably arranged within an elongate housing connectable to a source of pressurized cleaning fluid and being biased in the retracted position, the nozzle carrier being attached to a distal end of the liquid cleaning supply tube.
- this telescopic cylinder arrangement may comprise more than one cylinder, each cylinder being biased by a spring coil in the retracted position, in order to increase the amount of extension.
- Fig. 1 shows a side-elevational view of the cleaning device according to the invention, partly cut in longitudinal direction,
- Fig. 2 shows a top view of the nozzle carrier taken in the direction of the arrow Il in Fig. 1
- Fig. 3 shows a longitudinal section through the nozzle carrier taken along the line Ill-Ill in Fig. 2 where the fluid valve is in its closed position
- Fig. 4 shows a longitudinal section according to the one shown in Fig. 3 where the fluid valve is in its closed position.
- the cleaning device 1 comprises an elongated cylindrical housing 2 with a fluid supply 3 connectable to a source of pressurized cleaning fluid (not shown) and two retractable hollow cleaning liquid supply tubes 4a and 4b slidably arranged within the housing 2.
- the fluid supply 3 is designed as a connector for receiving a hose fitted thereto.
- the hose in turn may be connected to an electrically operated cleaning liquid supply pump which is also not shown.
- a cleaning device 1 as described hereinafter is designed as a headlamp cleaning device, however, the cleaning device may also be used a cleaning device for windshields or other vehicle surfaces to be cleaned.
- the cleaning device 1 may be mounted at the structure of a vehicle in concealed fashion, for instance within the bumper of a car.
- the cleaning liquid supply tubes 4a and 4b which are designed as hollow plastic tubes are slidably arranged within each other and within the housing 2, the outside diameter of the first (leading) liquid supply tube 4a being smaller than the inside diameter of the cleaning liquid supply tube 4b, the outside diameter of the cleaning liquid supply tube 4a (trailing tube) being in turn smaller than the inside diameter of the cylindrical housing 2.
- Fig. 1 shows the telescopic cylinder arrangement formed by the housing 2 and the cleaning liquid supply tubes 4a, 4b in a retracted position.
- the liquid cleaning supply tube 4a is guided within the cleaning liquid supply tube 4b at its trailing end (proximal end) by peripheral flange 5b, whereas cleaning liquid supply tube 4b in turn is guided within housing 2 by a peripheral flange 5b at its trailing end.
- the flanges 5a and 5b serve as a support for two coil springs 6a and 6b yielding the biasing the cleaning liquid supply tubes 4a and 4b respectively in the retracted position.
- the extended position is not shown.
- a nozzle carrier 7 is mounted at the leading end (distal end) of the inner liquid supply tube 4a .
- the nozzle carrier 7 is sealingly fitted on the leading end of the inner cleaning liquid supply tube 4a and in fluid communication therewith, the cleaning liquid supply tubes 4a and 4b as well as the nozzle carrier 7 defining a cleaning liquid conduit 8 for delivery of cleaning liquid the two spray nozzles 9 arranged at the distal end of the nozzle carrier 7.
- the spray nozzles 9 are designed as eye-ball type nozzles which are snap-fitted into receiving holes 10 of the nozzle carrier 7.
- the receiving holes 10 having a circular cross section, the spray nozzles 9 being arranged within the receiving holes 10 in an adjustable fashion.
- the receiving holes 10 and thus the spray nozzles 9 are arranged above a valve housing 11 (with reference to the position shown in the drawing).
- the valve housing 11 receives an elastically deformable sealing member 12 forming the bottom of a cleaning liquid distribution chamber 13.
- the valve housing 11 comprises a peripheral surrounding wall 14 which extends circularly.
- the sealing member 12 is fitted into the valve housing 11 , which accordingly has a disk-shaped contour.
- the sealing member 12 is made from a resilient material such as rubber, EPDM or the like and has a single-piece design.
- the sealing member 11 comprises a surrounding non-peripheral mounting flange 15 held in the valve housing 11 by a cup-shaped cover 16 which is snap-fitted in a receiving opening 17 of the nozzle carrier 7, the space between the sealing member 12 and the cover 16 is thereby defining a compensation volume 18 allowing displacement of the sealing member 12, as will be explained in detail hereinafter.
- the compensation volume 18 is provided with a ventilation hole 19, as this can be seen from Fig. 3 and 4.
- the cleaning liquid conduit 8 communicates via a circular and central inlet port 20 with the distribution chamber 13.
- the spray nozzles 9 are also connected to the distribution chamber 13 via discharge ports 21 which are disposed radially outwardly relative to the inlet port 20 when referring to the top view in Fig. 2.
- the sealing member has a central diaphragm type part which is cup-shaped in cross section and which forms a cylindrical valve body 22.
- the valve body 22 which forms a flat and disk-shaped sealing surface, sealingly engages a peripheral rim 23 of the inlet port 20.
- the circumferential rim 23 of the inlet port 20 defines a valve seat for engagement with the valve body 22. Due to the resilience of the material the valve body 22 is yieldingly held in its closed position.
- the valve body 22 is connected to its surrounding mounting flange 15 via a circumferential corrugated web 24, the material of the web being remarkably thinner than the material in the area of the valve body 22.
- the pressure of the cleaning fluid causes displacement of the valve body 22 to the direction of the arrow shown in Fig. 4.
- the cup-shaped part of the diaphragm type sealing member 12 is flexed into the compensation volume 18, i.e. downwardly in Fig. 4, thereby opening the inlet port 20 and thereby allowing ingress of cleaning fluid into the distribution chamber 13.
- the distribution chamber 13 communicates via discharge ports 21 with the spray nozzles 9, cleaning fluid is discharged onto the surface to be cleaned.
- the design is simple to manufacture and has the least amount of moving parts.
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Water Supply & Treatment (AREA)
- Nozzles (AREA)
Abstract
Description
Claims
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/EP2008/007368 WO2010028661A1 (en) | 2008-09-09 | 2008-09-09 | Device for cleaning vehicle surfaces |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2321161A1 true EP2321161A1 (en) | 2011-05-18 |
EP2321161B1 EP2321161B1 (en) | 2015-02-25 |
Family
ID=40565137
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP08801941.9A Active EP2321161B1 (en) | 2008-09-09 | 2008-09-09 | Device for cleaning vehicle surfaces |
Country Status (6)
Country | Link |
---|---|
US (1) | US8905327B2 (en) |
EP (1) | EP2321161B1 (en) |
JP (1) | JP5305365B2 (en) |
CN (1) | CN102143866B (en) |
CA (1) | CA2734565C (en) |
WO (1) | WO2010028661A1 (en) |
Families Citing this family (22)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102729958B (en) * | 2011-04-14 | 2015-08-26 | 株式会社小糸制作所 | The washing equipment of lamps apparatus for vehicle and nozzle casing |
US9376209B2 (en) | 2011-08-30 | 2016-06-28 | Marvin Engineering Co., Inc. | Aircraft store ejector system |
US9505495B2 (en) | 2011-08-30 | 2016-11-29 | Marvin Engineering Co., Inc. | Aircraft store ejector system |
JP6257341B2 (en) * | 2014-01-16 | 2018-01-10 | 株式会社ミツバ | NOZZLE, MANUFACTURING METHOD THEREOF, AND WASHER NOZZLE |
DE102014117165A1 (en) * | 2014-11-24 | 2016-05-25 | Kautex Textron Gmbh & Co. Kg | Vehicle integrated vision and cleaning system |
KR200483958Y1 (en) * | 2015-11-09 | 2017-07-13 | 에스엘 주식회사 | Washing apparatus for automotive lamp |
FR3051753B1 (en) | 2016-05-27 | 2018-06-15 | Valeo Systemes D'essuyage | SYSTEM FOR CLEANING AN OPTICAL SENSOR, AN ASSEMBLY COMPRISING SUCH A SYSTEM AND AN ASSOCIATED MOTOR VEHICLE |
EP3501920B1 (en) * | 2016-07-22 | 2021-09-08 | Fico Transpar, S.A. | Fluid-ejection device |
US10532368B2 (en) * | 2016-07-22 | 2020-01-14 | Fico Transpar, S.A. | Fluid ejection device |
US10989356B2 (en) | 2016-08-31 | 2021-04-27 | Raytheon Technologies Corporation | Self-retaining oil nozzle |
US9939107B2 (en) | 2016-08-31 | 2018-04-10 | United Technologies Corporation | Self-retaining oil nozzle |
FR3056516B1 (en) * | 2016-09-28 | 2022-12-30 | Valeo Systemes Dessuyage | CLEANING DEVICE INTENDED TO SPRAY AT LEAST ONE FLUID TOWARDS A SURFACE TO BE CLEANED OF A MOTOR VEHICLE |
EP3318452A1 (en) * | 2016-11-07 | 2018-05-09 | Fico Transpar, S.A. | Fluid-ejection device |
JP7199799B2 (en) * | 2017-09-19 | 2023-01-06 | 株式会社小糸製作所 | Vehicle cleaning equipment |
WO2019059052A1 (en) * | 2017-09-19 | 2019-03-28 | 株式会社小糸製作所 | Washing device for vehicles |
JP7121508B2 (en) * | 2018-03-14 | 2022-08-18 | 株式会社小糸製作所 | vehicle cleaner |
CN108819901A (en) * | 2018-06-14 | 2018-11-16 | 贵州大学 | A kind of automobile wiper support device being easily installed |
DE102018210254A1 (en) * | 2018-06-22 | 2019-12-24 | Continental Automotive Gmbh | Electronically controlled hydraulic cleaning system |
JP6839139B2 (en) | 2018-07-20 | 2021-03-03 | 株式会社ニフコ | Nozzle device |
US11097694B2 (en) | 2019-03-15 | 2021-08-24 | A. Raymond Et Cie | Telescoping device for cleaning a vehicle surface |
FR3105744B1 (en) * | 2019-12-27 | 2023-12-15 | Valeo Systemes Dessuyage | VALVE FOR PROJECTION SYSTEM |
JPWO2021251377A1 (en) * | 2020-06-10 | 2021-12-16 |
Family Cites Families (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2881801A (en) * | 1956-04-19 | 1959-04-14 | Automatic Switch Co | Pilot-operated three-way valve |
US3079946A (en) * | 1959-03-02 | 1963-03-05 | Gewerk Eisenhuette Westfalia | Excess pressure valve |
US4438537A (en) * | 1981-03-02 | 1984-03-27 | Bickle Damon R | Liquid directional flow apparatus |
GB2267215B (en) * | 1992-05-18 | 1995-12-06 | Valeo Wiper Systems Ltd | Washing system for motor vehicle screens |
DE4329405B4 (en) | 1992-09-16 | 2005-12-15 | Volkswagen Ag | Telescopic nozzle holder for a nozzle of a windscreen washer |
US5386848A (en) * | 1994-02-22 | 1995-02-07 | Alliedsignal Inc. | Pneumatic check valve and method for making same |
DE4416924A1 (en) * | 1994-05-13 | 1995-11-16 | Hella Kg Hueck & Co | Nozzle holder for a windscreen washer system for vehicles, in particular vehicle headlights |
DE19820897C2 (en) * | 1998-05-09 | 2002-02-28 | Mannesmann Vdo Ag | cleaning device |
GB9915839D0 (en) * | 1999-07-06 | 1999-09-08 | Textron Automotive U K | Valve assembly for vehicle washing system |
US6951223B2 (en) * | 2001-10-17 | 2005-10-04 | Asmo Co., Ltd. | Cleaning liquid supply system having pumps connected to tank |
JP2004050079A (en) * | 2002-07-22 | 2004-02-19 | Munekata Kk | Window washer liquid jetting nozzle for vehicle |
JP2004298778A (en) * | 2003-03-31 | 2004-10-28 | Asmo Co Ltd | Washer nozzle and hose joint |
JP4172707B2 (en) * | 2003-12-05 | 2008-10-29 | 株式会社小糸製作所 | Cleaning device for vehicle lighting |
US7434748B2 (en) * | 2003-12-05 | 2008-10-14 | Koito Manufacturing Co. Ltd. | Vehicle lamp washing device |
JP4641180B2 (en) * | 2004-11-29 | 2011-03-02 | 株式会社小糸製作所 | Cleaning device for vehicle lamp |
DE102005029504B4 (en) * | 2005-06-24 | 2017-11-30 | Continental Automotive Gmbh | Cleaning device for a lens of a headlamp of a motor vehicle |
-
2008
- 2008-09-09 US US13/063,034 patent/US8905327B2/en active Active
- 2008-09-09 JP JP2011525410A patent/JP5305365B2/en active Active
- 2008-09-09 CA CA2734565A patent/CA2734565C/en active Active
- 2008-09-09 WO PCT/EP2008/007368 patent/WO2010028661A1/en active Application Filing
- 2008-09-09 CN CN200880130991.8A patent/CN102143866B/en active Active
- 2008-09-09 EP EP08801941.9A patent/EP2321161B1/en active Active
Non-Patent Citations (1)
Title |
---|
See references of WO2010028661A1 * |
Also Published As
Publication number | Publication date |
---|---|
WO2010028661A1 (en) | 2010-03-18 |
CA2734565A1 (en) | 2010-03-18 |
JP2012501890A (en) | 2012-01-26 |
EP2321161B1 (en) | 2015-02-25 |
CA2734565C (en) | 2014-12-09 |
CN102143866B (en) | 2013-08-21 |
US8905327B2 (en) | 2014-12-09 |
US20110215173A1 (en) | 2011-09-08 |
JP5305365B2 (en) | 2013-10-02 |
CN102143866A (en) | 2011-08-03 |
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